Plethora Plugins Tabs + Accordions <= 1.1.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via anchor
Strategic Overview
- Status
- Patched in 1.2
- Affected Plugin
- Plethora Tabs + Accordions
- Affected Version
<= 1.1.8- CVSS
- 6.4Medium
- Weakness type
- CWE-85 · Doubled Character XSS Manipulations
- CVE
CVE-2024-13721
At a glance
CVE-2024-13721 is a medium-severity Doubled Character XSS Manipulations vulnerability in the Plethora Tabs + Accordions WordPress plugin, affecting versions <= 1.1.8. It carries a CVSS score of 6.4 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Contributor level or above. The issue is fixed in version 1.2; sites on affected versions should update now. Disclosed January 2025, reported by Nishiv.
Vulnerability Overview
The Plethora Plugins Tabs + Accordions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the anchor parameter in all versions up to, and including, 1.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.
CWE-85: Doubled Character XSS Manipulations
The web application does not filter user-controlled input for executable script disguised using doubling of the involved characters.
Remediation
Update to version 1.2, or a newer patched version
How does WordSec protect against this?
The fix is the thing that ends this: Plethora Tabs + Accordions 1.2 closes this, and updating the plugin is the step that ends it.
- Alerts
External References
Related records
Other vulnerabilities in Plethora Tabs + Accordions
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